Home / 57,912.44-86,888.10-18,475.16

Finding the Fourth Proportional to 57,912.44, 86,888.10 and 18,475.16

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Solution

The fourth proportional to 57,912.44, 86,888.10 and 18,475.16 is: 27,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,912.44 : 86,888.10 = 18,475.16 : x
  2. Step 2: Convert to fraction form
    57,912.44/86,888.10 = 18,475.16/x
  3. Step 3: Cross multiply
    57,912.44x = 86,888.10 × 18,475.16
  4. Step 4: Simplify right side
    57,912.44x = 1,605,271,549.60
  5. Step 5: Solve for x
    x = 1,605,271,549.60/57,912.44
  6. Step 6: Final answer
    x = 27,718.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.